Time division multiplex telephone switching system having single and multiple party pre-address and priority check circuitry



Nov. 27, 1962 w. F. BARTLETT ETAL 3,066,192

TIME DIVISION MULTIPLEX TELEPHONE SWITCHING SYSTEM HAVING SINGLE AND MULTIPLE PARTY PRE-ADDRESS AND PRIORITY CHECK CIRCUITRY Filed May '9, 1960 20 Sheets-Sheet 1 COMMON V TRANSMISSION CHANNEL I 'fA" l L'INE I 5552;? i U I .IIAII EHGSUZA'ZB I I F164 SIGNALLING PATH 7 1| l 5 'l 1 1 IL'INE TIME 5! TRANSMISSION 1 T T EI-F j TrME suoT i FIG.15 L l l SUBSCRIBER n I CFAESW SUBSET LINE B FIGS. 2A,ZB l FIG. 4 I VOICE I I GATE I LINE TIME T.T.s. sLoT sToR B" I FIG. 5 1

TIME SLOT sET (T.S.S.)

T.s.P. I- ag REGISTER ALLOTTER FIGS. l|A,|lB

CLOCK PULSE TIME SLOT GENERATOR ALLOTTER INVENTORS. WILL/AM E BARTLETT By JAMES D./?0$5 FIG. m 6 i W ATTORNEY Nov. 27, 1962 Filed May 9, 1960 w. F. BARTLETT ETAL 3,066,192 TIME DIVISION MULTIPLEX TELEPHONE SWITCHING SYSTEM HAVING SINGLE AND MULTIPLE PARTY PRE-ADDRESS AND PRIORITY CHECK CIRCUITRY 20 Sheets-$heet 3 PRIORITY KEY Nov. 27, 1962 BARTLETT ETAL 3,066,192 TIME DIVISION MULTIPLEX TELEPHONE SWITCHING SYSTEM HAVING SINGLE AND MULTIPLE PARTY PRE-ADDRESS AND PRIORITY CHECK CIRCUITRY 2O Sheets-Sheet 4 Filed May 9, 1960 -SIGNALLING KEYS ZQI PRESET ADDRESS KEYS 2 F I6. 28 SUBSCRIBER .SU

N 1962 w. F. BARTLETT ETAL 3,066,192

G SYSTEM TIME DIVISION MULTIPLEX TELEPHONE SWITCHIN HAVING SINGLE AND MULTIPLE PARTY PRE-ADDRESS AND PRIORITY CHECK CIRCUITRY 2O Sheets-Sheet 6 Filed May 9, 1960 mmohm FOJw N 1962 w. F. BARTLETT ETAL T 3,965,192

TIME DIVISION MULTIPLEX 'IEIJEPHQNE SWITCHING SYSTEM HAVING JSIINGLE AND MULTIPLE PARTY REE-ADDRESS AND PRIORITY CHECK (CIR'OEEE'EURY Filed May 9, .1960

.15 E5 5 6 m2; 2062555 M 9 oh wt i 2 mc wuz o 553 2 .6 6 oh m 5050 3m mom 5 3). 20655 M656 Qz EmQE oh qom 6x 00: 2mm X;- 20mm Nov. '27, 1962 F. BARTLETT ETAL 3,065,192

TIME DIVISION MULTI'PLEX TELEPHONE SWITCHING SYSTEM HAVING SINGLE AND MULTIPLE PARTY PRE-ADDRESS AND PRIORITY CHECK 'CIRCUITRY Filed ma 9, 1960 20 Sheets-Sheet 8 SERVICE REQUEST LEADS FROM LINaCIRCUITS e 5e s4 0 T J- O {eoe 64 w LINE 2 TERM 1 MATRIX w (64"AND") z GATES I 3 O SLOW RING COUNTER TERM. 8

L8 FAST RING- COUNTER 6 TERM. 8

FREE REGISTER AVAILABLE FRA 8 LI-l I n:

g m g ZOOIJs-I & sxc.

FROM

REGISTER ALLOTTER CALL/N6 LINE SCANNER ALLOTTER SLOT STORES Nov. 27, 1962 w. F. BARTLETT ETAL 3,066,192

TIME DIVISION MULTIPLEX TELEPHONE SWITCHING SYSTEM HAVING SINGLE AND MULTIPLE PARTY PRE-ADDRESS AND PRIORITY CHECK CIRCUITRY Filed May 9, 1960 20 Sheets-Sheet 9 FROM MX GEN. (400m) 0 703 BINARY COUNTING CHAIN m "-||F Ill LI /702 TO THE Tss BUS ATS VIA.

THE REGISTEIR ALLOTTER 4 FIG. HB

TO ALL SLOT ALLOTTER 0 T|ME SLOTSTORES ALLOTTER ADVANCE LEAD 7 IQ He's ADVANCE GATE Nov. 27, 1962 w. F. BARTLETT ETAL 3,066,192

TIME DIVISION MULTIPL-EX TELEPHONE SWITCHING SYSTEM HAVING SINGLE AND MULTIPLE PARTY PRE-ADDRESS AND PRIORITY CHECK CIRCUITRY Filed May 9, 1960 20 Sheets-Sheet 11 i BUSY TEST MATRI'X' L s I l E E 8 E 9 3M M. MUG 9 n: 9 A

U n v E W 9 A. R m. Y 7 6 42 Mmm w. w w 0 C E m m 5 3 we r 9 Y W5 .6 9 SF 2 D Y E 9 T F W w m awn 9 o m w dzz :o B s R mE 4 RE I 293.555 7 ET Pc U 202200 9 w 0 mm... 9 3% RA IT P u sww e w E w L M. 7 CW5 9 XN P 9 E E 8 ROM E o E D D 9 WRG MG 8 m E SW R Hum m m T W Emwm RR B m G EE I -r ms L m 0A TT R S R S 9 l m s m E 9 EL |YA|0 T U M 9 RN. w T S R B c 6 ul I I 0 m2 5:3? weqfl Emma ,ITI IIL. me 5565 12 3 H8 wmumog m 9. S55 9 H6194 HEW/STE)?v Nov. 27, 1962 HAVING SINGLE AND MULTIPLE PARTY PRE-ADDRESS AND PRIORITY CHECK CIRCUITRY 20 Sheets-Sheet 12 Filed May 9, 1960 FROM SPACE DIVISION MATRIX PRIORITY CCT.

REGISTER wmokw mZwF Oh. MED-rm w. ZD OF L 0 l 2 4 7 0 l 7 O l 2 4 T 3 4 ll 2 3 4 5 V8 9 T O U l 2 O I 2 4 4 8 8 8 8 8 w w m M M. M. 9 9 9 9 9 9 9 T T 8 On- BA m AR 7 Y w w m Q. TL I 0V T E 8 3 G 9 9 0L 6 A ll MU T 2 06 9 6 7 8 9 F0 0 \II I ma .4 S w w w 9 99 W rm." 8 R L 0| 9 m H 7 E 4 R O l 2 4 7 P S m 8 T 9 E T D Q E D 9 B NWE -om wz zo w R T sw v 3ED E N 9 98 Y N N E F M. RC 4 4 5 l Y% MO W. & B 2 2 9 6 l N 3 9 9 9 9 9 9 l. 1 R U A m 9 9 T B L PD H 0 l 2 4 7 P D 9 C A 9 S 9 o Nov. 27, 1962 w. F. BARTLETT ETAL 3,066,192

TIME DIVISION MULTIPLEX TELEPHONE SWITCHING SYSTEM HAVING SINGLE AND MULTIPLE PARTY FEE-ADDRESS AND PRIORITY CHECK CIRCUITRY 2O Sheets-Sheet 13 Filed May 9, 1960 AND GATES UNITS STORE FROM mukmawm m0 umohm mtZD 20m.

. 4 6 m m m w S 5 E T R U hDU 0 A w F E D R fitod $5 65 0h F I6. I04 LINE BUS) TEST MATRIX N 1962 w. F. BARTLETT ETAL 3,066,192 FLEX TELEPHONE SWITCHING SYS'I TIME DIVISION MULTI EM HAVING SINGLE AND MULTIPLE PARTY FEE-ADDRESS AND PRIORITY CHECK CIRCUITRY 20 Sheets-Sheet 14 Filed May 9, 1960 TO LINE TIME SLOT STORES +5016 c850 556mm EEQE F595 3 :05 so:

I l i [027 CROESJEOINT l I I l .CDUEU m2: 201m wmm 20mm IOOI TENS STORE FROM ADDRESS STORE TO REGISTER F /6. /0B Ll/VE BUSY TEST MATRIX Nov. 27, 1962 w. F. BARTLETT ETAL 3,066,192

TIME DIVISION MULTIPLEX TELEPHONE SWITCHING SYSTEM HAVING SINGLE AND MULTIPLE PARTY PRE-ADDRESS AND PRIORITY CHECK CIRCUITRY 20 Sheets-Sheet 15 Filed May 9, 1960 REGISTER DEMAND GATE H07 CALLING TERMINATING rllOB COUNTER I I03 8 m E LU 5 E2 L D U P E W R D C K 5 E /w R 0 REGISTER READ IN COUNTER mobhmmzm 0 x2 20mm To REGISTER TTME SLOT STORES FROM CALLING LINE SCANNER FIG. //A

REGISTER ALLOTTER Nov. 27, 1962 F. BARTLETT ETAL 3,066 FLEX TELEPHONE SWITCHING SYSTEM TIME DIVISION MULTI HAVING SINGLE AND MULTIPLE PARTY FEE-ADDRESS AND PRIORITY CHECK CIRCUITRY 2O Sheets-Sheet 16 Filed May 9, 1960 FROM TIME TO CALLING SLOT FROM LINE SCANNER ALLOTTER REGISTERS Tmmh m mmh .POJm m2; war-.04 4

ALLOTTER GATE H02 dim REGISTER READOUT COUNTER ll 4| mmmhmswm OP |\/.l.|| M IA A H O O R R H M T A Y 9 MUG m m EW %U m w m M... 8 TN nlv 7 9 I M nu .MM & a 5 m m 8 HT 5 U L a 5 m FROM BUSY T EST MATRICES F/G. l/B

REGISTER ALLOTTER 2O Sheets-Sheet 17 BUSY TEST MATRIX DISTRIBUTING GATES ENCODING GATES l2l9 TO "AT" AND "Au" BussEs 0F F. BA RTLETT ETAL TIME DIVISION MULTIPLEX TELEPHONE SWITCHING SYSTEM HAVING SINGLE AND MULTIPLE PARTY PRE-ADDRESS AND PRIORITY CHECK CIRCUITRY A A L 3 A A TRANSMITS TIME SLOT PULSEStTTS) Y a 2 I Y Y R mm m m T F- AA M G R T PG 8 A N E S P U ES E 0 w as N m. E I D L 8 U A L S D A E UA C M L/ 6 7 8 0 w w m m .L L I I 2 3 4 5 O m m m w w W3 W3 W3 W3 W3 H N. w l

W m Q 2 2 E m M 2 2 w m I s M C 7 4 2 l O R m k mmhwfivmm m0 wDm OP mwkmzvwm mwhwzumm "mph-0mm- CIR F/G. 12A

7' R A R Nov. 27, 1962 F. BARTLETT ETAL 3,066,192 TIME DIVISION MULTIPLEX TELEPHONE SWITCHING SYSTEM HAVING SINGLE AND MULTIPLE PARTY FEE-ADDRESS AND PRIORITY CHECK CIRCUITRY 20 Sheets-Sheet 18 Filed May 9, 1960 ENCODING GATES l2l9 DISTRIBUTING GATES F 6. l2 5 STORED ADDRESS CIRCUIT 20 Sheets-$heet 19 LINE BUSY LINE BUSY TEST n-zsr MATRIX-2 MATRIX-I W- F. BARTLETT ETAL TIME DIVISION MULTIPLEX TELEPHONE SWITCHING SYSTEM HAVING SINGLE AND MULTIPLE PARTY PRE-ADDRESS AND PRIORITY CHECK CIRCUITRY REGISTER REGISTER 2 O m P E 3 m R mm R4 m u 8 R w G P 4 l||l| m 0 L 2 II F. E 2 A um I m6 A Wm R EWD B 6 AN: n. w on. o L m C 1.. m w m 1 4 I S S h I l S T T L L L T W T T C C C 1 m1 r|\ l|l\ R E MH fi mwmn NQHXEEE 556mm NmEmGwm mm m| mwmm unflvm 5am wzj Nov. 27, 1962 Filed May 9, 1960 I LB?! I372 |Z I! n. a.

T0 TO REGISTER REGISTER 1 2 F 6. /3 A PRIOR] TY CHECK CIRCUIT NOV. 27, 1962 w, BARTLETT ETAL 3,066,192

TIME DIVISION MULTIPLE IX TELEPHONE SWITCHING SYSTEM HAVING SINGLE AND MULTIPLE PARTY PRE-ADDRESS AND PRIORITY CHECK CIRCUITRY Filed May 9, 1960 20 Sheets-$heet 20 LOWEST HIGHEST TIME SLOT OF PRIORITY PRIORITY CALLED PARTY ISIT LINE TIME SLOT STORE LINE TIME SLOT STORE LEVEL l LEVEL 2 ggy LEVEL 4 A B C D E F G H I J LINE TIME SLOT STORE HIGHEST PRIORITY I PRIORITY RATING GATES TIME SLOT OF CALLING PARTY l3 LOWEST 4 I37I PRIORITY PRIOR/TY CHECK CIRCUIT FROM REGISTER 

